M. Bassi, G. Boi, F. Padovan, J. Fritzin, S. Di Martino, D. Knauder, A. Bevilacqua, "A 39GHz Frequency Tripler with >40 dBc Harmonic Rejection for 5G Communication Systems in 28 nm Bulk CMOS," IEEE Solid-State Circuits Letters, vol. 2, no. 9, pp. 107-110, September 2019.
S. Trampisch, M. Fulde, J. Fritzin, M. Huemer, J. Markovic, C. Mayer, H. Pretl, J. Zaleski, "A Nonlinear Switched State-Space Model for Capacitive RF DACs," IEEE Transactions on Circuits and Systems-I: Regular Papers, vol. 64, no. 6, pp. 1342-1353, June 2017.
P. Ossmann, J. Fuhrmann, K. Dufrene, J. Fritzin, J. Moreira, H. Pretl, A. Springer, "Design of a Fully Integrated Two-Stage Watt-Level Power Amplifier using 28 nm CMOS Technology," IEEE Transactions on Microwave Theory and Techniques, vol. 64, no. 1, pp. 188-199, January 2016.
T. Johansson, J. Fritzin, "A Review of Watt-Level CMOS RF Power Amplifiers," IEEE Transactions on Microwave Theory and Techniques, vol. 62, no. 1, pp. 111-124, January 2014, Most downloaded paper in January 2014.
H.R. Khan, J. Fritzin, A. Alvandpour, Q. ul Wahab, "A Parallel Circuit Differential Class-E Power Amplifier Using Series Capacitance," Journal of Analog Integrated Circuits and Signal Processing (Springer), vol. 75, no. 1, pp. 31-40, April 2013.
Y. Jung, J. Fritzin, M. Enqvist, A. Alvandpour, "Least-Squares Phase Predistortion of a +30dBm Class-D Outphasing RF PA in 65nm CMOS," IEEE Transactions on Circuits and Systems-I: Regular Papers, vol. 60, no. 7, pp. 1915-1928, July 2013.
J. Fritzin, C. Svensson, A. Alvandpour, "Analysis of a 5.5V Class-D Stage Used in +30 dBm Outphasing RF PAs in 130nm and 65nm CMOS," IEEE Transactions on Circuits and Systems-II: Express Briefs, vol. 59, no. 11, pp. 726-730, November 2012.
P. Landin, J. Fritzin, W. Van Moer, M. Isaksson, A. Alvandpour, "Modeling and Digital Predistortion of Class-D Outphasing RF Power Amplifiers," IEEE Transactions on Microwave Theory and Techniques, vol. 60, no. 6, pp. 1907-1915, June 2012.
J. Fritzin, C. Svensson, A. Alvandpour, "Design and Analysis of a Class-D Stage with Harmonic Suppression," IEEE Transactions on Circuits and Systems-I: Regular Papers, vol. 59, no. 6, pp. 1178-1186, June 2012.
T. Johansson, N. Solati, J. Fritzin, "A High-Linearity SiGe RF Power Amplifier for 3G and 4G Small Basestations," International Journal of Electronics, vol. 99, no. 8, pp. 1145-1153, 2012.
J. Fritzin, Y. Jung, P.N. Landin, P. Händel, M. Enqvist, A. Alvandpour, "Phase Predistortion of a Class-D Outphasing RF Amplifier in 90nm CMOS," IEEE Transactions on Circuits and Systems-II: Express Briefs, vol. 58, no. 10, pp. 642-646, October 2011.
R. Ramzan, J. Fritzin, J. Dabrowski, C. Svensson, "Wideband Low Reflection Transmission Line for Bare Chip on Multilayer PCB," ETRI Journal, vol. 33, no. 3, pp. 335-343, June 2011.
J. Fritzin, A. Alvandpour, "A 3.3V 72.2Mbit/s 802.11n WLAN Transformer-Based Power Amplifier in 65nm CMOS," Journal of Analog Integrated Circuits and Signal Processing (Springer), vol. 64, no. 3, pp. 241-247, August 2010.
D. Reiter, H. Li, H. Knapp, J. Kammerer, J. Fritzin, S. Majied, B. Sene, N. Pohl, "A 19.5 dBm Power Amplifier with Highly Accurate 8-bit Power Controlling for Automotive Radar Applications in a 28 nm CMOS Technology," IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS), November 2019.
B. Sene, H. Knapp, H. Li, J. Kammerer, S. Majied, K. Aufinger, J. Fritzin, D. Reiter, N. Pohl, "16-dBm D-Band Power Amplifier with a Cascaded CE and CB Output Power Stage Using a Stub Matching Topology," IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS), November 2019.
M. Bassi, G. Boi, F. Padovan, J. Fritzin, S. Di Martino, D. Knauder, A. Bevilacqua, "A 39GHz Frequency Tripler with >40 dBc Harmonic Rejection for 5G Communication Systems in 28 nm Bulk CMOS," IEEE European Solid-State Circuits Conference (ESSCIRC), September 2019.
S. Trampisch, M. Fulde, J. Fritzin, M. Huemer, J. Markovic, C. Mayer, H. Pretl, J. Zaleski, "A Nonlinear Switched State-Space Model for Capacitive RF DACs," IEEE International Symposium on Circuits and Systems (ISCAS) - invited paper, May 2018.
M. Fulde, A. Belitzer, Z. Boos, M. Bruennert, J. Fritzin, H. Geltinger, M. Groinig, D. Gruber, S. Gruenberger, T. Hartig, V. Kampus, B. Kapfelsperger, F. Kuttner, S. Leuschner, T. Maletz, A. Menkhoff, J. Moreira, A. Paussa, D. Ponton, H. Pretl, D. Sira, U. Steinacker, M. Stevanovic, "A Digital Multimode Polar Transmitter Supporting 40MHz LTE Carrier Aggregation in 28nm CMOS," IEEE International Solid-State Circuits Conference (ISSCC), San Francisco, CA, USA, February 5-9, 2017.
J. Fritzin, A. Alvandpour, P.N. Landin, C. Fager, "Linearity, Intermodulation Distortion and ACLR in Outphasing Amplifiers," IEEE International Microwave Symposium (IMS), Seattle, WA, USA, June 2-7, 2013.
P.N. Landin, T. Eriksson, J. Fritzin, A. Alvandpour, "Behavioral Modeling of Outphasing Amplifiers Considering Memory Effects," IEEE International Microwave Symposium (IMS), Seattle, WA, USA, June 2-7, 2013.
J. Fritzin, B. Mesgarzadeh, A. Alvandpour, "A Class-D Stage with Harmonic Suppression and DLL-Based Phase Generation," IEEE Midwest Symposium on Circuits & Systems (MWSCAS), pp. 45-48, Boise, Idaho, USA, August 5-8, 2012.
J. Fritzin, C. Svensson, A. Alvandpour, "A Wideband Fully Integrated +30dBm Class-D Outphasing RF PA in 65nm CMOS," IEEE International Symposium on Integrated Circuits (ISIC), pp. 25-28, Singapore, December 12-14, 2011, Bronze Award Chip Design Competition.
J. Fritzin, C. Svensson, A. Alvandpour, "A +32dBm 1.85GHz Class-D Outphasing RF PA in 130nm CMOS for WCDMA/LTE," IEEE European Solid-State Circuits Conference (ESSCIRC), pp. 127-130, Helsinki, Finland, September 12-16, 2011.
J. Fritzin, C. Svensson, A. Alvandpour, "A Class-D Outphasing RF Amplifier with Harmonic Suppression in 90nm CMOS," IEEE European Solid-State Circuits Conference (ESSCIRC), pp. 310-313, Seville, Spain, September 13-17, 2010.
J. Fritzin, T. Sundström, T. Johansson, A. Alvandpour, "Reliability Study of a Low-Voltage Class-E Power Amplifier in 130nm CMOS," IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1907-1910, Paris, France, May 30-June 2, 2010.
H. Khan, J. Fritzin, A. Alvandpour, Q. Wahab, "A 900 MHz 26.8 dBm Differential Class-E CMOS Power Amplifier," IEEE German Microwave Conference (GeMiC), pp. 276-279, Berlin, Germany, March 15-17, 2010.
S. Azam, R. Jonsson, J. Fritzin, A. Alvandpour, Q. Wahab, "High Power, Single Stage SiGaN HEMT Class E Power Amplifier at GHz Frequencies," IEEE International Bhurban Conference on Applied Sciences and Technology (IBCAST), Islamabad, Pakistan, January 11-14, 2010.
J. Fritzin, A. Alvandpour, "Low Voltage Class-E Power Amplifiers for DECT and Bluetooth in 130nm CMOS," IEEE Silicon Monolithic Integrated Circuits in RF Systems (SiRF), San Diego, CA, USA, January 19-21, 2009.
J. Fritzin, A. Alvandpour, "A 72.2Mbit/s Transformer-Based Power Amplifier in 65nm CMOS for 2.4GHz 802.11n WLAN," IEEE NORCHIP Conference, pp. 155-158, Tallinn, Estonia, November 17-18, 2008.
J. Fritzin, T. Johansson, A. Alvandpour, "Impedance Matching Techniques in 65nm CMOS Power Amplifiers for 2.4GHz 802.11n WLAN," IEEE European Microwave Conference (EuMC), pp. 1207-1210, Amsterdam, The Netherlands, October 28-30, 2008.
J. Fritzin, T. Johansson, A. Alvandpour, "A 72.2Mbit/s LC-Based Power Amplifier in 65nm CMOS for 2.4GHz 802.11n WLAN," IEEE Mixed Design of Integrated Circuits and Systems (MIXDES) Conference, pp. 155-158, Poznan, Poland, June 19-21, 2008.
Y. Jung, J. Fritzin, M. Enqvist, A. Alvandpour, "Phase Predistortion of an Outphasing Radio Frequency Power Amplifier," Reglermöte,
June 12-13, 2012, Uppsala, Sweden.
J. Fritzin, C. Svensson, A. Alvandpour, "A Fully Integrated High Power CMOS Power Amplifier," Swedish System-on-Chip Conference (SSoCC),
May 2-3, 2011, Varberg, Sweden.
J. Fritzin, C. Svensson, A. Alvandpour, "A Digital Linear CMOS RF Amplifier," Swedish System-on-Chip Conference (SSoCC),
May 3-4, 2010, Kolmården, Sweden.
J. Fritzin, A. Alvandpour, "Low-Voltage High-Efficiency Class-E Power Amplifiers in 130nm CMOS for Short-Range Wireless Communications," Swedish System-on-Chip Conference (SSoCC),
May 4-5, 2009, Arild, Sweden.
J. Fritzin, T. Johansson, A. Alvandpour, "Power Amplifiers for WLAN in 65nm CMOS," Swedish System-on-Chip Conference (SSoCC), May 5-6, 2008, Södertuna Slott, Sweden, Best Student Presentation Award.
Ph.D. thesis
J. Fritzin, "CMOS RF Power Amplifiers for Wireless Communications," Dissertations, no. 1399, Linköping University,
Linköping 2011, ISBN: 978-91-7393-059-8, ISSN: 0345-7524
Licentiate thesis